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Old 23-02-2019, 06:21 AM
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john guy (John)
Jupiter 2

john guy is offline
 
Join Date: Sep 2007
Location: mcgraths hill australia
Posts: 158
info on reducers and off axis guiding

If I was to add a 6.3 focal reducer to an off axis guider, how do I calculate the focal length of the guide scope that would be the main scope that has a focal length of 3556mm f10as as in phd it requests this
reading to be added. all advice much appreciated
regards J G

Last edited by h0ughy; 24-02-2019 at 07:08 AM. Reason: more descriptive
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